Lizzie Nichols is back, pounding the New York City pavement and looking for a job, a place to live, and her proper place in the universe (not necessarily in that order). When "Summer Fling" Luke uses the L word (Living Together), Lizzie is only too happy to give up her plan of being postgrad roomies with best friend, Shari, in a one-room walk-up in exchange for cohabitation with the love of her life in his mother's Fifth Avenue pied-à-terre, complete with doorman and resident Renoir. But Lizzie's notoriously big mouth begins to get her into trouble at work and at home almost at once -- first at the law firm, where she becomes too chummy with Jill Higgins, a New York society bride with a troublesome future mother-in-law, and then back on Fifth Avenue, when she makes the mistake of bringing up the M word (Marriage) with commitment-shy Luke. Soon Lizzie finds herself jobless as well as homeless all over again. Can Lizzie save herself -- and the hapless Jill -- and find career security (not to mention a mutually satisfying committed relationship) at last?